CA Firm in Kolkata Data Scientist Interview Questions

The questions to prepare for a CA Firm in Kolkata Data Scientist interview. Questions from real interview reports rank first. Updated daily.

4questions

~1htotal time

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Statistics & ProbabilityStart here. 1 question · ~8 min

Evaluates your statistical fundamentals and practical understanding of central tendency measures.

Machine Learning1 question · ~8 min

Tests your ability to implement correct Python logic for a common string problem.

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SQL & Data Manipulation1 question + 3 drills · ~38 min

SQL Array to ListEasy

Assesses your SQL skills for transforming and reshaping data structures.

CA Firm in Kolkata

Explain LEFT JOIN behavior and compare data lakes with data warehouses using a concise SQL example.

Calculate each customer's qualified payment count and total for the first quarter of 2025.

Count 0 and 1 sensor readings by Bosch building using a CTE, LEFT JOIN, and conditional aggregation.

Behavioral & Leadership1 question · ~8 min

Tell Me About Your WorkEasy

Assesses how you communicate your relevant experience and impact.

backgroundwork experience

CA Firm in Kolkata

The finish line: interview-readyComplete all 4 questions plus 3 hands-on drills to finish this plan.